Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our devotion goes beyond mere duty; it is fueled by an unwavering passion for the artful mastery and precise science of precision manufacturing. Our unparalleled expertise acts as a beacon in the world of high-end component fabrication, lighting the way to exceptional precision and perfection. We are at the forefront of developing and producing revolutionary intelligent automation equipment. Our state-of-the-art solutions serve a wide spectrum of industries, meeting diverse applications, including:
- Medical and Biotech: Offering meticulously engineered, high-precision components and forward-thinking solutions for cutting-edge medical devices, maintaining the highest level of quality standards.
- Semiconductors: Enhancing chip manufacturing and its related equipment by delivering essential core components vital to the industry's triumph.
- New Energy: Championing the dynamic and sustainable development of innovative energy equipment, propelling eco-friendly technological advancements.
- Automotive: Supplying indispensable components that drive innovation in the automotive sector, supporting the growth of smart and electric vehicles.
Main Products
- We are experts in non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries, guaranteeing unparalleled precision and exceptional quality.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations proudly showcase an extraordinary assortment of over 300 renowned machines, enabling us to masterfully address a comprehensive spectrum of equipment categories. This capability empowers us to skillfully fulfill the intricate machining needs of diverse industries with unparalleled precision and efficiency.
- With a rich history spanning two decades, we leverage vast production experience combined with substantial technical and process prowess, guaranteeing exceptional quality and forward-thinking innovation, setting us apart as pioneers in the realm of precision engineering.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Exemplary Incoming Material Examination
Every raw material that enters our state-of-the-art warehouse is subject to a comprehensive and rigorous examination process. We conduct meticulous analyses, including a detailed evaluation of the chemical composition and an exhaustive inspection of the physical properties. We maintain an unwavering commitment to quality by requiring every supplier to provide a Certificate of Origin and a stamped Declaration of Conformity. This ensures that only the most premium materials are selected for our high-precision medical machining services. Our stringent authentication process guarantees that these materials meet the highest standards of integrity and purity, perfectly aligning with our steadfast commitment to excellence and quality.
Intensive In-Process Quality Assurance
Throughout our intricate and precision-driven machining operations, every component undergoes meticulous scrutiny to ensure that its dimensions and tolerances not only meet but often exceed our exacting specifications. Our diligent and continuous inspection protocol is strategically designed to intercept potential defects early on, thereby safeguarding against non-conforming parts progressing to subsequent stages. This vigilant quality assurance approach is crucial in minimizing the risk of substandard goods, ensuring superior quality at each phase of production, and maintaining excellence throughout the entire manufacturing process.
Strategic First Article Inspection (FAI)
Our First Article Inspection (FAI) process is a cornerstone strategy that is seminal for identifying and resolving potential production challenges at an early stage. This proactive approach prevents any issues from escalating into mass production. The comprehensive and precise nature of our FAI process is essential in minimizing quality risks, ensuring that our products consistently reach the pinnacle of standards. This unwavering dedication to excellence permeates every facet of the production cycle, guaranteeing that we meet and exceed the highest quality benchmarks with unwavering consistency.
Meticulous Comprehensive Final Inspection
Before any product exits our facility, it undergoes a meticulous and comprehensive final inspection. This process rigorously evaluates dimensions, visual aesthetics, performance, and any customer-specific requirements. Our exhaustive inspection process is a testament to our relentless commitment to quality, ensuring that every part dispatched from our facility meets our stringent standards. We are unwavering in our mission to deliver only the highest quality products to our esteemed customers, upholding our reputation for unparalleled excellence and reliability.
Packaging & Shipping
Company Profile
Since its inception in 2009, building upon its foundational roots established in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has rapidly ascended to become a paragon of expertise in the realm of high-precision basic component machining. With an unyielding commitment to groundbreaking innovation throughout the past two decades, we have profoundly invested in technical research, securing our standing as trailblazers in precision engineering. We boast a treasure trove of technical expertise, earning us a sterling reputation that distinguishes us as an industry vanguard. Our prowess in precision medical machining services is unparalleled, consistently attaining remarkably tight tolerances and flawless surface finishes. This excellence positions us as the unequivocal choice in the medical sector.
With four strategically located production bases nestled in the dynamic centers of Shenzhen and Guiyang, and driven by a dedicated team comprising over 400 highly skilled employees, Donghui has meticulously constructed a robust, vertically integrated industry chain. This seamless chain harmonizes research and development, production, and delivery, empowering us to meet and surpass the diverse demands of our clients with exceptional efficiency and unrivaled quality. Our cutting-edge facilities are primed to tackle the most intricate and challenging machining tasks, upholding our esteemed reputation for excellence and avant-garde innovation.
Workshop Display
Certifications
FAQ
1. What is CNC machining?
CNC (Computer Numerical Control) machining is a manufacturing process where pre-programmed computer software controls the movement of machinery and tools. It's used for a wide range of materials, including metal, plastic, and wood.
2. What materials can be used in CNC machining?
CNC machines can handle a variety of materials such as:
- Metals (aluminum, steel, titanium, brass, copper)
- Plastics (ABS, POM, nylon, acrylic)
- Wood and composite materials
- Ceramics and more.
3. What is the difference between CNC milling and CNC turning?
- CNC Milling: Involves rotating the cutting tool and moving it along multiple axes to remove material from a workpiece.
- CNC Turning: Involves rotating the workpiece and using a stationary cutting tool to remove material, mainly for cylindrical parts.
4. How do I choose the right CNC machining service?
Factors to consider include:
- Material requirements
- Tolerance and precision
- Production volume
- Lead time
- Cost-effectiveness
5. What is the typical lead time for CNC machining?
Lead times depend on the complexity of the part, the material, the required finish, and the production volume. Typically, CNC machining can take anywhere from a few days to a couple of weeks for a prototype or small batch, but larger orders may take longer. Normally 7 days for prototyping and 20 days for mass production shipment.
6. What is the maximum size of a part that can be CNC machined?
The size limitations depend on the specific CNC machine being used. Large-scale machines can accommodate parts up to several meters in length, while smaller machines are typically limited to parts around 1000mm in length or less.
7. What is the accuracy and tolerance of CNC machining?
CNC machining offers high precision, with tolerances typically ranging from ±0.01mm to ±0.1mm. However, the exact tolerance will depend on the machine and the material used.
8. How much does CNC machining cost?
CNC machining costs vary based on factors such as:
- Material choice
- Part complexity
- Machine time
- Labor costs
- Quantity (prototypes vs. mass production)
9. What types of finishes can be applied to CNC machined parts?
Common finishes include:
- Anodizing
- Powder coating
- Polishing
- Painting
- Bead blasting
- Electroplating
10. Can CNC machining be used for prototyping?
Yes, CNC machining is widely used for prototyping because it allows for the quick production of precise parts. It's ideal for low-to-medium volume production runs and allows engineers to test designs and make adjustments before mass production.
11. What are some common applications of CNC machining?
CNC machining is used across various industries, including:
- Aerospace and aviation
- Automotive
- Medical devices
- Consumer electronics
- Industrial machinery
12. What are the common challenges in CNC machining?
- Tool wear: As tools wear out, they affect the quality of the parts being machined.
- Material properties: Different materials behave differently during machining, requiring adjustments to the process.
- Programming complexity: Complex designs may need advanced programming skills and specialized machines.
13. How can I ensure the quality of CNC machined parts?
Quality can be ensured through:
- First Article Inspections (FAI)
- In-process inspections
- Final inspections
- Use of quality control tools like CMM (Coordinate Measuring Machine)
Audited Supplier 
){kind=link}